81771668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97813}}^1$

素因数の和:97847

約数の個数: 24

約数和(自身を含む): 164327520

約数和(自身を除く): 82555852

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 97813, 195626, 391252, 1075943, 1858447, 2151886, 3716894, 4303772, 7433788, 20442917, 40885834, 81771668]

約数ペア:

[(1, 81771668), (2, 40885834), (4, 20442917), (11, 7433788), (19, 4303772), (22, 3716894), (38, 2151886), (44, 1858447), (76, 1075943), (209, 391252), (418, 195626), (836, 97813)]